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export default class HookRepository<Args extends any[] = any[]> {
private hooks = {};
public registerHook(eventName: string, func: (...args: Args) => void) {
if (!this.hooks[eventName]) {
this.hooks[eventName] = [];
}
this.hooks[eventName].push(func);
}
public removeHook(eventName: string, func: (...args: Args) => void) {
let eventNameList = this.hooks[eventName] || [];
if (eventNameList.indexOf(func) > -1) {
eventNameList = $.grep(eventNameList, function (i) {
return func !== i;
});
}
this.hooks[eventName] = eventNameList;
}
public trigger(targetEventName: string, ...args: Args) {
let hooks = this.hooks;
let eventNames = Object.keys(hooks);
eventNames.forEach(function (eventName) {
if (targetEventName === eventName || targetEventName.indexOf(eventName + ':') === 0) {
let eventNameHooks = hooks[eventName] || [];
eventNameHooks.forEach(function (hook) {
hook.apply({}, args);
});
}
});
}
}
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